The 4th Combat Engineer Battalion (4th CEB) is a

combat engineer A combat engineer (also called pioneer or sapper) is a type of soldier who performs military engineering tasks in support of land forces combat operations. Combat engineers perform a variety of military engineering, tunnel and mine warfare ta ...

battalion of the

United States Marine Corps Reserve The Marine Forces Reserve (MARFORRES or MFR), also known as the United States Marine Corps Reserve (USMCR) and the U.S. Marine Corps Forces Reserve, is the reserve force of the United States Marine Corps. It is the largest command, by assigned pe ...

. The headquarters is in

Baltimore Baltimore ( , locally: or ) is the List of municipalities in Maryland, most populous city in the U.S. state of Maryland, fourth most populous city in the Mid-Atlantic (United States), Mid-Atlantic, and List of United States cities by popula ...

, Maryland and the Battalion has units in

West Virginia West Virginia is a state in the Appalachian, Mid-Atlantic and Southeastern regions of the United States.The Census Bureau and the Association of American Geographers classify West Virginia as part of the Southern United States while the Bur ...

Alabama (We dare defend our rights) , anthem = "Alabama (state song), Alabama" , image_map = Alabama in United States.svg , seat = Montgomery, Alabama, Montgomery , LargestCity = Huntsville, Alabama, Huntsville , LargestCounty = Baldwin County, Al ...

Virginia Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...

, and

Tennessee Tennessee ( , ), officially the State of Tennessee, is a landlocked state in the Southeastern region of the United States. Tennessee is the 36th-largest by area and the 15th-most populous of the 50 states. It is bordered by Kentucky to th ...

. They belong to the

4th Marine Division The 4th Marine Division is a reserve division in the United States Marine Corps. It was raised in 1943 for service during World War II, and subsequently fought in the Pacific against the Japanese. Deactivated after the war, the division was re-fo ...

of the

Marine Forces Reserve The Marine Forces Reserve (MARFORRES or MFR), also known as the United States Marine Corps Reserve (USMCR) and the U.S. Marine Corps Forces Reserve, is the reserve force of the United States Marine Corps. It is the largest command, by assigned pe ...

Current Units

History

World War II

Activated 25 August 1943 at

Camp Pendleton, California Marine Corps Base Camp Pendleton is the major West Coast base of the United States Marine Corps and is one of the largest Marine Corps bases in the United States. It is on the Southern California coast in San Diego County and is bordered by O ...

, as Headquarters Company, 1st Battalion, 20th Marines,

, Fleet Marine Force. Deployed during February 1944 to the

Pacific Theater The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...

. Redesignated 31 August, as Headquarters and Service Company, 4th Engineer Battalion, 4th Marine Division. Participated in the

Battle of Kwajalein The Battle of Kwajalein was fought as part of the Pacific campaign of World War II. It took place from 31 January – 3 February 1944, on Kwajalein Atoll in the Marshall Islands. Employing the hard-learned lessons of the Battle of Tarawa, the Un ...

Battle of Saipan The Battle of Saipan was a battle of the Pacific campaign of World War II, fought on the island of Saipan in the Mariana Islands from 15 June to 9 July 1944 as part of Operation Forager. It has been referred to as the "Pacific D-Day" with th ...

Battle of Tinian The Battle of Tinian was a battle of the Pacific campaign of World War II, fought on the island of Tinian in the Mariana Islands from 24 July until 1 August 1944. The 8,000-man Japanese garrison was eliminated, and the island joined Saipan ...

and the

Battle of Iwo Jima The Battle of Iwo Jima (19 February – 26 March 1945) was a major battle in which the United States Marine Corps (USMC) and United States Navy (USN) landed on and eventually captured the island of Iwo Jima from the Imperial Japanese Army (IJ ...

. Redeployed during October 1945 to

Maui The island of Maui (; Hawaiian: ) is the second-largest of the islands of the state of Hawaii at 727.2 square miles (1,883 km2) and is the 17th largest island in the United States. Maui is the largest of Maui County's four islands, which ...

, Hawaii. Relocated during November 1945 to Camp Pendleton, California, where it was deactivated on 15 November 1945.

1951–2000

Reactivated on 1 November 1951 at

, Maryland, as Headquarters Company, 1st Engineer Battalion. Redesignated 1 July 1962 as 4th Engineer Battalion, 4th Marine Division. Redesignated 1 June 1976 as 4th Combat Engineer Battalion, 4th Marine Division. Participated in numerous training exercises throughout the 1970s and 1980s. Called to Active Duty December 1990 to participate in the Persian Gulf War. Released from Active Duty May 1991.

Global War on Terror

In January 2003 the Battalion activated and deployed personnel in support of the initial invasion of the

Iraq War {{Infobox military conflict , conflict = Iraq War {{Nobold, {{lang, ar, حرب العراق (Arabic) {{Nobold, {{lang, ku, شەڕی عێراق (Kurdish languages, Kurdish) , partof = the Iraq conflict (2003–present), I ...

(Operation Iraqi Freedom). December 2004 activated and deployed personnel to serve as members of the 5th Civil Affairs Group and continue to support Operation Iraqi Freedom and

Operation Enduring Freedom Operation Enduring Freedom (OEF) was the official name used synonymously by the U.S. government for both the War in Afghanistan (2001–2014) and the larger-scale Global War on Terrorism. On 7 October 2001, in response to the September 11 at ...

. Eight members of the battalion were killed while on operations in Iraq.

Notable former members

* Rob Jones

References

: ;Web
4th CEB's official website
{{4thMarDiv 4th Marine Division (United States) CEB4